[CentOS] cli Checking disk i/o
Robert Moskowitz
rgm at htt-consult.com
Mon Nov 11 02:04:51 UTC 2019
On 11/10/19 8:38 PM, Peter wrote:
> On 11/11/19 1:37 PM, Robert Moskowitz wrote:
>> OK. That is interesting. I am assuming tps is transfers per sec?
>>
>> I would have to get a stop watch, but it seems to go a bit of time,
>> and then a write.
>>
>> Is there something that would accumulate this and give me a summary
>> over some period of time? Of course it better NOT be doing its own
>> IOs...
>
> I like iostat -x 4 which will give a summary every four seconds of
> accumulated stats, but check the man page for all the options you can
> use. iotop (yum install iotop) may also be helpful as it shows disk
> usage per process like top does for CPU and memory.
basically no i/o, but the drive is spinning like mad. It could be the
hardware as on boot I do get the warning it was never tested upstream...
I added noatime to fstab and then a 'mount -a' but no difference in
behavior.
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